Aeroacoustic Corporation, Darilngton S.C., Roselle N.J The Aeroacoustic Corporation is pleased to offer a newly developed "DOG HOUSE"™ enclosure specifically designed to quiet the noisy portable generators Our new line of "Commercial Silencers" includes CI, DF, SI and Splitter Silencers up to 30,000 cfm, 1.0 inch SP & 250F